Answer:
Neurons
Explanation:
Neurons are specialized cells that detect and transmit information to the sensory nerves and brain <3
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
<span> A </span>test cross<span>, involves the breeding of an individual with a phenotypically recessive individual.
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Explanation:
red blood cells,white blood cells and platelets
Cells, tree, digestive system, public transportation system, government systems, school systems, families, dog, forest, pond, prairie, communication systems, towns, insect, solar system, weather systems, bird, correctional system, squirrel, soil, etc.
